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Pacman Nebula in Emission-Line
Type Nebula
Constellation Cassiopeia
Distance 10,000 ly
More Info
Date 28 Nov 2005 (Fall)
Place Carlsbad, CA
Exposure Data SII:Ha:OIII 60:60:60 mins @ -20C
SII 4x15, Ha 4x15, OIII 4x15 (bin 1x1) as RGB
Notes Ha also used as the Luminance layer
First Emission-Line image
Optics Takahashi FSQ-106N Refractor
Focal Length 530mm @f/5
Mount Celestron CGE
Camera SBIG ST-2000XM
Focuser Robo-Focus
Filters CFW10A, Astrodon 6nm SII, Ha, OIII
Software MaxIm DL 4, Registar, Photoshop cs

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